B.A. Princeton University, cum laude in politics, 1967
Master Medical Science, Rutgers University, 1969
M.D., Mount Sinai School of Medicine, 1971, AOA, valedictorian
Internship, Residency Internal Medicine, Mount Sinai Hospital, New York, 1971-1974
Fellowship, Gastroenterology, University of Miami/Jackson Memorial Hospital, 1976-1978
Major, U.S. Army Medical Corps, 1974-1976 Internist, Director ER and Outpatient Services
Patterson Army Hospital. Operation "New Life". Army Commendation and National Defense medals
Private practice, gastroenterology as founding partner Gastroenterology Consultants in Boca
Raton and Delray, 1978-1998.
Chief of Medicine, Boca Raton Community Hospital, 1983-85
Member, Board of Trustees, Boca Raton Community Hospital, 1997-98
Chief Medical Officer, Boca Raton Community Hospital, 1998-2002
Vice President for Medical Affairs, Boca Raton Community Hospital, 2002-2007
Vice President for Academic Affairs, Boca Raton Community Hospital. 2007-2008
Affiliate Professor, Biomedical Science, FAU, 1999-2009
Barkin, J.S., Silvis, S., Greenwald, R.A. Endoscopic Therapy of the “Sump Syndrome”
Dig Dis Sci. 1980,August 25 (8), 597-601.
Chiprut, R.O., Greenwald, R.A., Morris, S.J., Zeppa, R., Schiff, E. R. Intrahepatic
Hematoma Resulting in Obstructive Jaundice: An unusual complication of liver biopsy.
Gastroenterology. 1978, Jan. 74 (1), 124-7
Greenwald, R.A., Barkin, J.S., Hensley, G.T., Kaiser, H.H. Cancer of the Colon as a
Late Sequel of Pelvic Irradiation. Am J Gastroenterology. 1978. Feb. 6 (2), 196-8.
Greenwald, R.A., Chiprut, R.O., Schiff, E.R. Percutaneous Aspiration Liver Biopsy
Using a Large Caliber Disposable Needle: A preliminary report. Am J Dig Dis, 1977.
Dec 22 (12), 1109-14
Greenwald, R.A., DeLuca, R.F., Raskin, J.B. Pancreatic-Pleural Fistula:
Demonstration by endoscopic retrograde cholangiography (ERCP) and successful treatment with
radiation therapy. Dig Dis Sci, 1979, Mar. 24 (3), 240-4
Greenwald, R.A., Morris, S.J., Tedesco, F.J. Ileocecal Valve Prolapse Confusion
with Carcinoma of the Cecum. Am J Gastroenterology, 1978, Oct. 70 (4), 404-6
Greenwald, R.A., Pereiras Jr. R, Morris, S.J., Schiff, E.R. Jaundice,
Choledocholithiasis and a Nondilated Common Duct. JAMA 1978, Oct. 7, 240, (18), 1983-4
Greenwald, R.A., Rheingold, O.J., Chiprut, R.O., Rogers, A.I. Local Gangrene:
A complication of peripheral pitressin therapy for bleeding esophageal varices.
Gastroenterology, 1978, April 74 (4), 744-6
Greenwald, R.A., Schiff, E.R. Jaundice. Postgraduate Medicine 1979,
Feb 65 (20) 217-19, 221, 224-7.
Kaplan, S.R., Greenwald, R.A., Rogers, A.I. Neglected Aspects of Informed Consent
(Letter) New England Journal of Medicine, 1977, May 12, 236 (19), 127
Morris, S.J., Greenwald, R.A., Barkin, J.S., Tedesco, Snyder, R. Cholecystoduodenocolic
Fistula Secondary to Carcinoma of the Gallbladder. Am J Dig Dis, 1978, Sept 23 (9), 849-52
Morris, S.J., Greenwald, R.A., Turner, R.L., Tedesco, F.J. Brucella Induced
Cholecystitis. Am J Gastroenterology, 1979, May 71 (5), 481-4
Morris, S.J., Greenwald, R.A., Barkin, J.S., Tedesco, F.J. Acute Ulcerative
Colitis Mimicking an Obstructing Carcinoma of the Colon. Am J Gastroenterology, 1978, August 70 (2), 194-6
Morris, S.J., Pereiras, R., Chiprut, R.O., Greenwald, R.A., Schiff, E.R., Rapid Diagnosis of
Obstructive Jaundice Due to Pancreatic Abscess with Pancreaticobiliary Fistula.
Am J Gastroenterolgy. 1978, June 69 (6) 669-72
Pereiras Jr., R., Chiprut, R.O., Greenwald, R.A., Schiff, E.R. Percutaneous Transhepatic
Cholangiography with the “Skinny Needle: A Rapid, Simple and Accurate method in the Diagnosis of
Cholestasis. Ann of Internal Medicine 1979, May 86 (5) 562-68
Rheingold, O.J., Greenwald, R.A., Hayes, P.J., Tedesco, F.J. Myoglobinuria and Renal
Failure Associated with Typhoid Fever. JAMA, 1979, 25 July 238 (4), 341
Taub, S.J., Greenwald, R.A., Morris, S.J., Tedesco, F.J. Recurrent Intermittent
Small Bowel Obstruction Due to Carcinoid Tumor. JAMA, 1978. 23 June 239 (25), 2686-7
Tedesco, F.J., Waye, J.D., Raskin, J.B., Morris, S.J., Greenwald, R.A. Colonoscopic
Evaluation of Rectal Bleeding: A Study of 304 patients. Ann Internal Medicine, 1978. December 89 (6), 907-9
Board Certification in Internal Medicine and Gastroenterology